Visionix VX120 Manual De Usuario página 161

Configuración de la Unidad
Fórmula:
IOP Corregida = IOP Medida – (ECC -520) × 5/70
ECC es el espesor central corneal en mm
Referencia:
Ehlers N, Bramsen T, Sperling S. Applanation tonometry and central corneal thickness. Acta
Ophthalmol (Copenh) 1975; 53: 34–43
Whitacre
Fórmula:
IOP Corregida = IOP Medida – (ECC -560) × 2/100
Referencia:
Whitacre MM, Stein RA, Hassanein K. The effect of corneal thickness on applanation
tonometry. Am J Ophthalmol 1993; 115: 592 – 596
Doughty 1 (para ojos normales)
Fórmula:
IOP Corregida = IOP Medida – (ECC -535) × 1,1/50
Referencia:
Doughty MJ, Zaman ML. Human corneal thickness and its impact on intraocular pressure
measures: a review and meta-analysis approach. Surv Ophthalmol 2000; 44: 367–408
Doughty 2 (para ojos con glaucoma)
Fórmula:
IOP Corregida = IOP Medida – (ECC -535) × 2,5/50
Referencia:
Doughty MJ, Zaman ML. Human corneal thickness and its impact on intraocular pressure
measures: a review and meta-analysis approach. Surv Ophthalmol 2000; 44: 367–408
Ehlers 2 155
Fórmula:
Corrección IOP = -0,0706 × ECC + 38,504
Referencia:
Ashish A Patwardhan, Mohammad Khan, Susan P Mollan, Paul Haigh The importance of
central corneal thickness measurements and decision making in general ophthalmology
clinics: a masked observational study BMC Ophthalmology 2008, 8:1
155
VX120 Manual de Usuario